Ports 14318 collector, 14319 diagnostic, 14320 server verified free.
Collector PID (Python host): 1258321
$ git switch --detach 5bb54a0f77c6655fdb2ab551612ca1ca1fcd3667
HEAD is now at 5bb54a0f77 fix(server): pause periodic PR discovery without foreground clients (#23852)
$ git status --porcelain

$ git rev-parse HEAD
5bb54a0f77c6655fdb2ab551612ca1ca1fcd3667
$ git init /tmp/ev-23964/base/repo
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint: 
hint: 	git config --global init.defaultBranch <name>
hint: 
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint: 
hint: 	git branch -m <name>
Initialized empty Git repository in /tmp/ev-23964/base/repo/.git/
$ git config user.name Synthetic Evidence

$ git config user.email evidence@example.invalid

$ git add file.txt

$ git commit -m synthetic initial
[master (root-commit) dffcb24] synthetic initial
 1 file changed, 1 insertion(+)
 create mode 100644 file.txt
$ git add file.txt

$ git status --short
MM file.txt
base launch: vp run dev --no-seed --home-dir /tmp/ev-23964/base/home --no-auto-bootstrap-project-from-cwd --port 14320
base runner PID / process group: 1258399
base actual server/hook identity: {"pid": 1258495, "ppid": 1258482, "argv": ["/home/ubuntu/.local/share/vite-plus/js_runtime/node/26.12.1/bin/node", "/home/ubuntu/wt/pr-23964/apps/server/src/bin.ts"], "cwd": "/home/ubuntu/wt/pr-23964/apps/server"}
base actual /proc server argv: /home/ubuntu/.local/share/vite-plus/js_runtime/node/26.12.1/bin/node src/bin.ts 
base BEFORE exporter ordinary metrics: ["t3_orchestration_effect_claims_total"]
base BEFORE target metrics: []
base real capture response: {"pid": 1258495, "status": "capture-success"}
$ git rev-parse --verify refs/t3/checkpoints/proof-23964
fbbbfbd4df58679a7180e899e46f5535bd0fc302
$ git show refs/t3/checkpoints/proof-23964:file.txt
initial
staged
unstaged
$ git status --short
MM file.txt
base AFTER target metrics: []
$ git status --porcelain

base capture ref=fbbbfbd4df58679a7180e899e46f5535bd0fc302, contents verified staged+unstaged.
base captured process group 1258399 members before shutdown: [1258399, 1258405, 1258433, 1258446, 1258481, 1258482, 1258495]
base shutdown runner exit=-15; live captured members remaining=[]
$ git switch --detach ef8b58436094622a69acd92079c7355d1245b3d7
Previous HEAD position was 5bb54a0f77 fix(server): pause periodic PR discovery without foreground clients (#23852)
HEAD is now at ef8b584360 fix(server): meter each checkpoint git subprocess attempt
$ git status --porcelain

$ git rev-parse HEAD
ef8b58436094622a69acd92079c7355d1245b3d7
$ git init /tmp/ev-23964/head/repo
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint: 
hint: 	git config --global init.defaultBranch <name>
hint: 
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint: 
hint: 	git branch -m <name>
Initialized empty Git repository in /tmp/ev-23964/head/repo/.git/
$ git config user.name Synthetic Evidence

$ git config user.email evidence@example.invalid

$ git add file.txt

$ git commit -m synthetic initial
[master (root-commit) c1dcd1e] synthetic initial
 1 file changed, 1 insertion(+)
 create mode 100644 file.txt
$ git add file.txt

$ git status --short
MM file.txt
head launch: vp run dev --no-seed --home-dir /tmp/ev-23964/head/home --no-auto-bootstrap-project-from-cwd --port 14320
head runner PID / process group: 1259915
head actual server/hook identity: {"pid": 1260011, "ppid": 1259998, "argv": ["/home/ubuntu/.local/share/vite-plus/js_runtime/node/26.12.1/bin/node", "/home/ubuntu/wt/pr-23964/apps/server/src/bin.ts"], "cwd": "/home/ubuntu/wt/pr-23964/apps/server"}
head actual /proc server argv: /home/ubuntu/.local/share/vite-plus/js_runtime/node/26.12.1/bin/node src/bin.ts 
head BEFORE exporter ordinary metrics: ["t3_orchestration_effect_claims_total"]
head BEFORE target metrics: []
head real capture response: {"pid": 1260011, "status": "capture-success"}
$ git rev-parse --verify refs/t3/checkpoints/proof-23964
5beee44abae403ab5f07d559cc99ac1b2f4a8493
$ git show refs/t3/checkpoints/proof-23964:file.txt
initial
staged
unstaged
$ git status --short
MM file.txt
head AFTER target metrics: [{"name": "t3_git_command_duration", "description": "Git command execution duration.", "unit": "ms", "histogram": {"aggregationTemporality": 2, "dataPoints": [{"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.isInsideWorkTree"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 10.465595, "max": 10.465595, "sum": 10.465595, "bucketCounts": [0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.detectRepository.root"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 7.957491, "max": 7.957491, "sum": 7.957491, "bucketCounts": [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.detectRepository.commonDir"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 7.921263, "max": 7.921263, "sum": 7.921263, "bucketCounts": [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.resolveGitCommonDir"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 8.018886, "max": 8.018886, "sum": 8.018886, "bucketCounts": [0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.hasHeadCommit"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 7.58334, "max": 7.58334, "sum": 7.58334, "bucketCounts": [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.captureCheckpoint"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 8, "min": 6.881804, "max": 9.960026, "sum": 64.738899, "bucketCounts": [0, 0, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}, {"attributes": [{"key": "time_unit", "value": {"stringValue": "milliseconds"}}, {"key": "operation", "value": {"stringValue": "GitVcsDriver.filterIgnoredPaths"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "count": 1, "min": 7.375089, "max": 7.375089, "sum": 7.375089, "bucketCounts": [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], "explicitBounds": [0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296]}]}}, {"name": "t3_git_commands_total", "description": "Total git commands executed by the server runtime.", "unit": "1", "sum": {"aggregationTemporality": 2, "isMonotonic": false, "dataPoints": [{"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.isInsideWorkTree"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.detectRepository.root"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.detectRepository.commonDir"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.resolveGitCommonDir"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.hasHeadCommit"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.checkpoints.captureCheckpoint"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 8}, {"attributes": [{"key": "operation", "value": {"stringValue": "GitVcsDriver.filterIgnoredPaths"}}, {"key": "outcome", "value": {"stringValue": "success"}}], "startTimeUnixNano": "1792783786917326103", "timeUnixNano": "1792783789949133660", "asDouble": 1}]}}]
HEAD captureCheckpoint summed outcome counter=8.0; histogram count=8.0; equality PASS
$ git status --porcelain

head capture ref=5beee44abae403ab5f07d559cc99ac1b2f4a8493, contents verified staged+unstaged.
head captured process group 1259915 members before shutdown: [1259915, 1259921, 1259949, 1259962, 1259997, 1259998, 1260011]
head shutdown runner exit=-15; live captured members remaining=[]
$ git switch takeover/pr-23964
Switched to branch 'takeover/pr-23964'
Your branch is ahead of 'origin/main' by 4 commits.
  (use "git push" to publish your local commits)
$ git rev-parse HEAD
ef8b58436094622a69acd92079c7355d1245b3d7
$ git status --porcelain

Collector stopped; replacement branch restored. No repository edits or commits.